22346281664 has 112 divisors (see below), whose sum is σ = 51675060480. Its totient is φ = 9389952000.

The previous prime is 22346281663. The next prime is 22346281679. The reversal of 22346281664 is 46618264322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (22346281663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6872039 + ... + 6875289.

Almost surely, 2^22346281664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22346281664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25837530240).

22346281664 is an abundant number, since it is smaller than the sum of its proper divisors (29328778816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22346281664 is a wasteful number, since it uses less digits than its factorization.

22346281664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 3556 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The spelling of 22346281664 in words is "twenty-two billion, three hundred forty-six million, two hundred eighty-one thousand, six hundred sixty-four".